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Finding the Fourth Proportional to 26,522.60, 39,790.08 and 9,882.68

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Solution

The fourth proportional to 26,522.60, 39,790.08 and 9,882.68 is: 14,826.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,522.60 : 39,790.08 = 9,882.68 : x
  2. Step 2: Convert to fraction form
    26,522.60/39,790.08 = 9,882.68/x
  3. Step 3: Cross multiply
    26,522.60x = 39,790.08 × 9,882.68
  4. Step 4: Simplify right side
    26,522.60x = 393,232,627.81
  5. Step 5: Solve for x
    x = 393,232,627.81/26,522.60
  6. Step 6: Final answer
    x = 14,826.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.